120867920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 288731520

約数和(自身を除く): 167863600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 109, 166, 167, 218, 332, 334, 415, 436, 545, 664, 668, 830, 835, 872, 1090, 1328, 1336, 1660, 1670, 1744, 2180, 2672, 3320, 3340, 4360, 6640, 6680, 8720, 9047, 13360, 13861, 18094, 18203, 27722, 36188, 36406, 45235, 55444, 69305, 72376, 72812, 90470, 91015, 110888, 138610, 144752, 145624, 180940, 182030, 221776, 277220, 291248, 361880, 364060, 554440, 723760, 728120, 1108880, 1456240, 1510849, 3021698, 6043396, 7554245, 12086792, 15108490, 24173584, 30216980, 60433960, 120867920]

約数ペア:

[(1, 120867920), (2, 60433960), (4, 30216980), (5, 24173584), (8, 15108490), (10, 12086792), (16, 7554245), (20, 6043396), (40, 3021698), (80, 1510849), (83, 1456240), (109, 1108880), (166, 728120), (167, 723760), (218, 554440), (332, 364060), (334, 361880), (415, 291248), (436, 277220), (545, 221776), (664, 182030), (668, 180940), (830, 145624), (835, 144752), (872, 138610), (1090, 110888), (1328, 91015), (1336, 90470), (1660, 72812), (1670, 72376), (1744, 69305), (2180, 55444), (2672, 45235), (3320, 36406), (3340, 36188), (4360, 27722), (6640, 18203), (6680, 18094), (8720, 13861), (9047, 13360)]